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Limestone Cobbles

Limestone Cobbles
A cobble stone is smaller than a boulder and larger than a pebble. Cobbles are fireproof, need little maintenance and no paint.

Physical Properties of Sandstone & Quartzite

Physical Properties of Sandstone & Quartzite
PHYSICAL PROPERTIES OF SANDSTONE & QUARTZITE
ColorMinor color tonal variations exist but within the tolerance limit.
Hardness6 to 7 on Moh's Scale Density 2.32 to 2.42 Kg/m3
Compressive Strength365 to 460 Kg/m2
Water AbsorptionNot more BORDERthan 1.0 %
Modulus of Rupture197-200 Kg/cm2
PorosityLow to very low.
Weather ImpactResistant


CHEMICAL PROPERTIES OF SANDSTONE & QUARTZITE
Chemically they are very resistant Mono-Mineralic rocks, principally of silica.
SiO293-94%
Iron (Fe2O3)1.5%-1.6%
Alumina (Al2O3)1.4 to 1.5%
Soda (Na2O) & Potash (Kro)1.0% to 1.2%
Lime (CaO)0.8% to 0.9%
Magnesia (MgO)0.2 to 0.25%
Loss On Ignition (LOI)1.0% to 1.2%.
They are highly resistant to avoids, alkalis and thermal impact. Insolubility in acids and alkalis is about 97%.

IMPERIAL GREEN

IMPERIAL GREEN
Imperial Green is premium dark green marble of serpentine nature. It is one of the largest exported marble from Rajasthan in forms of blocks, slabs and tiles in various dimensions. Because of it's ability to take high polish it is mainly used on interior floors and decorative purposes.
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    Rahul Bhartia

    Indian Stones

    Bhilwara, Rajasthan, India

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